Upper Intake Manifold

Upper Intake Manifold

Special tools, testers and auxiliary items required

• Torque Wrench (5-50 Nm) (V.A.G 1331)

• Assembly Tool (T10118)

Removing

• Read the safety precautions before starting. Refer to => [ Safety Precautions ] Fuel Supply.

• Pay attention to the rules of cleanliness. Refer to => [ Clean Working Conditions ] Multiport Fuel Injection.

• Intake manifold overview. Refer to => [ Intake Manifold Overview ] Intake Manifold Overview.

When doing any repair work, especially in the engine compartment, pay attention to the following due to clearance issues:

• Route all lines and wires in their original locations.

• Ensure sufficient clearance to all moving or hot components.

- Remove the ignition coil wiring harness cover strip in the - direction of the arrows -.






- Place the assembly tool (T10118) against the release button - arrow -, and carefully remove all the connectors from the ignition coils with power output stage.






- Press the wire duct upward using a screwdriver and move the connectors to the side.






- Disconnect the connectors - 1 -, remove the connecting pipe - 2 - and disconnect the crankcase ventilation vent hose - 3 - from the cylinder head cover.






- Disconnect the lines - arrows - from the upper intake manifold.






- Remove the rear intake manifold support bolt - 1 -.

- Remove the front intake manifold support bolts - 2 -.

- Remove the upper intake manifold to lower intake manifold bolts - 1 through 5 -.






- Remove the upper intake manifold downward and lay it on a suitable surface.

• Seal the intake passages inside the lower intake manifold with clean cloths.

Installing

- Install the seal in the upper intake manifold and lightly coat them with clean engine oil.






- 1 - large seals

- 2 - small seals

- Mount the upper intake manifold onto the lower intake manifold.

- Tighten the bolts - 1 through 5 - that connect the upper intake manifold to the lower intake manifold starting from the inside and working toward the outside. Tightening specification: 10 Nm






- Then, tighten the intake manifold support bolts.

Further installation is in the reverse order of removal.

For the correct tightening specifications, refer to => [ Intake Manifold Overview ] Intake Manifold Overview.